Tetrazole 5-Acetic Acid Catalyzed Synthesis and Photophysical Study of 2-Aryl-2,3-dihydroquinolin-4(1H)-ones
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Published:2019-02-11
Issue:3
Volume:16
Page:176-184
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ISSN:1570-1786
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Container-title:Letters in Organic Chemistry
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language:en
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Short-container-title:LOC
Author:
Mondal Mohabul A.1, Khan Abdul Ashik1, Mitra Kanchan1
Affiliation:
1. Department of Chemistry, University of Gour Banga, Malda-732103, India
Abstract
1H-Tetrazole 5-acetic acid (TAA) has been explored as a new organocatalyst for the synthesis
of 2-aryl-2,3-dihydroquinolin-4(1H)-ones derivatives from 2’-aminoacetophenone under solventfree
conditions. The method described herein is covenient and the catalyst could be reused. Mechanistic
study of the reaction revealed that the reaction passing through initial activation of the aldehyde by
the catalyst and the C-C bond formed through the intermolecular pathway. The synthesized compounds
exhibit yellowish-white fluorescence when exposed to 350 nm UV light. Optical properties such as absorption
and fluorescence emission spectra were monitored in methanol. Fluorescence emission properties
in different solvents with different polarity indicate solvatochromic characteristics of the probes.
Funder
DST-SERB, New Delhi
Publisher
Bentham Science Publishers Ltd.
Subject
Organic Chemistry,Biochemistry
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